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3
Valve.
Patent for a valve for water hydrants, which can be easily drained.
Date:
April 5, 1910
Creator:
Biggers, Samuel A.
System:
The Portal to Texas History
Washer.
Patent for a hinged washer, which can be removed from a bolt without removing the nut.
Date:
February 8, 1910
Creator:
Vannoy, John B.
System:
The Portal to Texas History
File-Cabinet
Patent for a filing cabinet to be used in retail stores and business places. Illustrations included.
Date:
April 5, 1910
Creator:
Ball, William J.
System:
The Portal to Texas History